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Extend the index parameter checking from sk_value to sk_set(). Also tidy up

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some similar code elsewhere.

Thanks to Francesco Petruzzi for bringing this to my attention.
This commit is contained in:
Geoff Thorpe 2004-04-21 15:09:52 +00:00
parent 22083b182a
commit 1c27ce4e70
1 changed files with 2 additions and 3 deletions
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5
crypto/stack/stack.c
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@ -189,8 +189,7 @@ char *sk_delete(STACK *st, int loc)
char *ret; char *ret;
int i,j; int i,j;
if ((st == NULL) || (st->num == 0) || (loc < 0) if(!st || (loc < 0) || (loc >= st->num)) return NULL;
|| (loc >= st->num)) return(NULL);
ret=st->data[loc]; ret=st->data[loc];
if (loc != st->num-1) if (loc != st->num-1)
@ -310,7 +309,7 @@ char *sk_value(const STACK *st, int i)
char *sk_set(STACK *st, int i, char *value) char *sk_set(STACK *st, int i, char *value)
{ {
if(st == NULL) return NULL; if(!st || (i < 0) || (i >= st->num)) return NULL;
return (st->data[i] = value); return (st->data[i] = value);
} }